Home / 10,512.08-15,767.60-3,937.76

Finding the Fourth Proportional to 10,512.08, 15,767.60 and 3,937.76

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Solution

The fourth proportional to 10,512.08, 15,767.60 and 3,937.76 is: 5,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.08 : 15,767.60 = 3,937.76 : x
  2. Step 2: Convert to fraction form
    10,512.08/15,767.60 = 3,937.76/x
  3. Step 3: Cross multiply
    10,512.08x = 15,767.60 × 3,937.76
  4. Step 4: Simplify right side
    10,512.08x = 62,089,024.58
  5. Step 5: Solve for x
    x = 62,089,024.58/10,512.08
  6. Step 6: Final answer
    x = 5,906.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.